[PC 권장 사양 안내]
· Operating System:
 - Windows: Windows 7 or higher
 - MacOS 10.10 or higher

· Browsers:
 - Internet Explorer 11
 - Chrome 58
 - Firefox 52
 - Safari 9.1
 - Edge: 38.14393, EdgeHTML: 14.14393

· Add-ons:
 Flash Player 18.0 or higher (only required for IE11 or Safari 9-10).
 Download it here.

· Computer Hardware:
 - On Windows:
       2.33GHz or faster x86-compatible processor OR
       Intel® Atom™ 1.6GHz or faster processor for netbooks

 - On Mac:
       Intel Core™ Duo 1.33GHz or faster processor
       4 GB of RAM or higher
       1024 x 768 display resolution

· High-Speed Internet connection (at least 1mbps)

· Headset with microphone

[Mobile 권장 사양 안내]
· Operating System:
 - On Android: N/A
 - On iOS: iOS 11 or higher
  
· Browsers:
 - On Android : Chrome
 - On iOS : Safari